How far is Sanya from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Sanya (Sanya Phoenix International Airport) is 6891 miles / 11090 kilometers / 5988 nautical miles.

Distance from Seattle to Sanya

There are several ways to calculate the distance from Seattle to Sanya. Here are two standard methods:

Vincenty's formula (applied above)

• 6890.857 miles
• 11089.759 kilometers
• 5987.991 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula

• 6880.179 miles
• 11072.575 kilometers
• 5978.712 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

How long does it take to fly from Seattle to Sanya?

The estimated flight time from Seattle–Tacoma International Airport to Sanya Phoenix International Airport is 13 hours and 32 minutes.

What is the time difference between Seattle and Sanya?

The time difference between Seattle and Sanya is 16 hours. Sanya is 16 hours ahead of Seattle.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Sanya Phoenix International Airport (SYX)

On average, flying from Seattle to Sanya generates about 840 kg of CO2 per passenger, and 840 kilograms equals 1 851 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Sanya

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Sanya Phoenix International Airport (SYX).

Airport information

Origin	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W

Destination	Sanya Phoenix International Airport
City:	Sanya
Country:	China
IATA Code:	SYX
ICAO Code:	ZJSY
Coordinates:	18°18′10″N, 109°24′43″E